<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>标签</title>
		<style>
			a{
				background: red;
				padding-left: 50px;
				padding-right: 50px;
			}
		</style>
	</head>
	<body>
		<a href="#">去百度</a>
	</body>
</html>
